ensure shadowRoots have .host and .olderShadowRoot references; automa…

…tically watch native shadowRoots for CustomElements.
googlearchive · Jul 23, 2013 · 160cf93 · 160cf93
1 parent 5c8d0e8
commit 160cf93
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diff --git a/src/patches-shadowdom-native.js b/src/patches-shadowdom-native.js
@@ -15,6 +15,16 @@
   window.wrap = window.unwrap = function(n){
     return n;
   }
+
+  var originalCreateShadowRoot = HTMLElement.prototype.webkitCreateShadowRoot;
+  HTMLElement.prototype.webkitCreateShadowRoot = function() {
+    var elderRoot = this.webkitShadowRoot;
+    var root = originalCreateShadowRoot.call(this);
+    root.olderShadowRoot = elderRoot;
+    root.host = this;
+    CustomElements.watchShadow(this);
+    return root;
+  }
 
   Object.defineProperties(HTMLElement.prototype, {
     shadowRoot: {

diff --git a/src/patches-shadowdom-polyfill.js b/src/patches-shadowdom-polyfill.js
@@ -43,6 +43,14 @@
       }
     }
   });
+
+  // include .host reference
+  var originalCreateShadowRoot = HTMLElement.prototype.createShadowRoot;
+  HTMLElement.prototype.createShadowRoot = function() {
+    var root = originalCreateShadowRoot.call(this);
+    root.host = this;
+    return root;
+  }
 
   //TODO(sjmiles): review method alias with Arv
   HTMLElement.prototype.webkitCreateShadowRoot =